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Re:Launch HN: Electric Air (YC W23) – Heat pump sold directl... by rcme on Monday March 13, 2023 @03:15PM (#35140940)
These are brand new heat pumps. I don’t think it’s possible to have high efficiency at cold temps because of the need for a defrost cycle. I just check and mine are around 2 COP at 8F and 5 COP at 40F.

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